<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>命名空间</title>
    <style type="text/css">
        .header { height: 100px ; background: #ff0; }
        .main { height: 500px ; background: #9696ff; }
        .footer { height: 100px ; background: #ff0; }
    </style>
</head>
<body>
    <script src="./dist/kfm.js" type="text/javascript"></script>
</body>
</html>